( ! ) Deprecated: Symfony\Component\DependencyInjection\Dumper\PhpDumper::addInlineService(): Implicitly marking parameter $inlineDef as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\dependency-injection\Dumper\PhpDumper.php on line 817

( ! ) Deprecated: Symfony\Component\DependencyInjection\Dumper\PhpDumper::addServices(): Implicitly marking parameter $services as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\dependency-injection\Dumper\PhpDumper.php on line 874

( ! ) Deprecated: Symfony\Component\DependencyInjection\Dumper\PhpDumper::addNewInstance(): Implicitly marking parameter $id as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\dependency-injection\Dumper\PhpDumper.php on line 923

( ! ) Deprecated: Symfony\Component\DependencyInjection\Dumper\PhpDumper::getDefinitionsFromArguments(): Implicitly marking parameter $definitions as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\dependency-injection\Dumper\PhpDumper.php on line 1495

( ! ) Deprecated: Symfony\Component\DependencyInjection\Dumper\PhpDumper::getDefinitionsFromArguments(): Implicitly marking parameter $byConstructor as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\dependency-injection\Dumper\PhpDumper.php on line 1495

( ! ) Deprecated: Symfony\Component\DependencyInjection\Dumper\PhpDumper::getServiceCall(): Implicitly marking parameter $reference as nullable is deprecated, the explicit nullable type must be used instead in E:\Program_Files\wamp64\www\print\vendor\symfony\dependency-injection\Dumper\PhpDumper.php on line 1720

( ! ) Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\Dumper\Dumper" not found in E:\Program_Files\wamp64\www\print\vendor\symfony\dependency-injection\Dumper\PhpDumper.php on line 48
( ! ) Error: Class "Symfony\Component\DependencyInjection\Dumper\Dumper" not found in E:\Program_Files\wamp64\www\print\vendor\symfony\dependency-injection\Dumper\PhpDumper.php on line 48
Call Stack
#	Time	Memory	Function	Location
1	0.0561	868560	{main}( )	...\PhpDumper.php:0